Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
@catcrdnf

retrogradian @catcrdnf #1704836011

19 June 2020
account created (per Roblox API)
18 Aug 2026, 15:17
last measured (UTC)

Username record

@catcrdnf — observed 18 August 2026

Roblox’s API lists prior usernames without dates; the dates above are when this register observed each name, which bounds — but is not — the change date.

Groups owned (as measured)

Open data

Download this user’s observed record: username history (CSV) · record (JSON)

Also a member of

Catalog Avatar Creator#15102943 · ✨ Member
45,848,682
Chillz Studios#2782840 · 🌟Royal Member🌟
18,658,728
Sol's Studio#8509669 · [Gamers]
12,707,128
KizmoTek Studio#3115970 · Community Member
7,622,894
Paradoxum Games#4914494 · Player
6,060,699
Hexagon Development Community#5693735 · Member
5,778,145
Thinking Project#1235888 · noob
4,152,398
USSF - United States Special Forces#22025 · [1] Private
3,413,178
Plaything Games#25 · gamers
2,489,864
SCP | Roleplay Community#5479038 · Roleplayer
1,273,812
Vitan Games#35012066 · Member
1,036,592
Retro Dev#5264310 · Member
1,032,870
Tower Defense X#14733518 · fan :d
999,848
Μilitary Simulator#4800484 · Red Army Conscript
807,536
Eternal Dark Clan#5090129 · Dark Follower
747,404
SCPF || Special Containment Procedures Foundation#3069549 · Class D
278,917
Tumore#9835935 · Member
267,630
Tower Battles Community#3404390 · Member
223,729
Roblox Intervention Foundation#5189037 · Clearance-0
169,912
KIT's Game#10749082 · Gamer
145,832
Reason 2 Die Community#1104933 · Members
142,293
Tower Battles: Battlefront#4367439 · Member
133,016
LuaPilot#600673495 · Member
105,718
BTD Group#12347950 · Member
98,632
Official Retro TDS Group#11209028 · Friends!
97,746
TDS: Legacy#17308602 · Member
73,504
Untitled Tower Defense Game#11064487 · Member
49,912
SCP - Devolved#5557159 · Member
48,969
503 Games#13468245 · Member
40,511
Kelvetia#35572453 · Гражданин
30,023
The Masked Corporation#5207110 · Member
25,691
Team Eternal Studios#4951686 · Fans!
22,574
Mander Studios#15557473 · Member
21,897
The Robloxia Veterans#6364120 · (M) 2020 | 6 years
18,953
Operation U.N.I.V.E.R.S.A.L#17104821 · Member
17,691
Special Containment Procedures Foundation‌‌‌‌‌‌‌‌‌#2855814 · [Class-D]
17,477
Radixant Interactive#10728452 · Member
15,177
Vince Games (Official)#16346785 · Member
14,500
SECURE•CONTAIN•PROTECT#5117501 · Class D
10,331
Tsuki Interactive#35135661 · Contributor
10,266
Glasswing#5751969 · Member
10,055
彡 HILL FAMILY OFFICIAL | #VF #DH#12243158 · 🩸 彡 | 𝓡𝓮𝓬𝓻𝓾𝓲𝓽𝓼 | 彡🩸
7,552
SCP: Site NEXUS Community#11790061 · Roleplayers
7,384
Born2Build#16359549 · Citizen of Earth
6,184
not so obvious studios#13177792 · Member
5,617
RubyLyte Studio#5370227 · Member
5,345
Zake's Group#5731229 · Member
4,792
Ulterior Entertainment#6453199 · Member
4,598
Ultimate Presents#35029352 · Player 🦅
4,258
lntersteIlar Studios#13591759 · Member
3,886
SCP:F | Special Containment Procedures | REDACTED#5695321 · Class D
3,509
Operium Development#13386491 · Member
3,498
Roblox Anomalies Community#36062657 · Member
3,487
Bloxxer Studios Community#15478077 · 👥Members👥
3,376
Superior cloud#5112227 · 💎 Members 💎
3,299
Realish Reborn#14798544 · Member
3,281
Interblox Studio#4110220 · Members
2,921
Dummy Production's#9179465 · People💫
2,901
All countries | Studio#8455814 · 🗃[Member]
2,509
Tower Battles: Defensive Holds#16118048 · Member
2,277
Tower Battles RP#9579502 · Fan
1,466
Modded Nexus#34046435 · Player
1,239
Incursion Defender Group#32604709 · Contributors
1,180
TDS: Reborn#16336024 · Member
962
SCP: Anomaly Containment Breach#5372448 · [Member]
956
Glaggle Emporium#16324472 · Giggler
876
TBR Development#951808550 · Member
852
Ammog Productions#16795822 · Developer
846
TDS: Back In Time#17138740 · Member
739
Conplex#4657798 · Conplexian
684
Through The Years Development#16713949 · Member
657
FelonyNo - Group#34225997 · 🎮 | Игрок
591
DA YELLOW SPONGES GROUP#8365190 · Members of the club
561
TDS: Refurbished#33858669 · Member
523
Dori Giri Studio#33687658 · Member
490
SCP:F : Special Containment Procedures :#8166929 · Class Disposable
440
Untitled Tower Defense Official#12956402 · Member
349
Blue Squirrel Studios#1089247 · Fan
344
[Suffolk] Suffolk County#3861284 · Resident
337
Mathow's Studio#33043197 · Goofy Goobers
330
All Studio Games#13011834 · 👍Fans
298
Mr_Tea Developement#32417194 · Players
291
Legacy Defense Simulator#16472028 · Community Member
289
Standard Team#32695124 · Member
287
Bruh Defense Fan Club#34438957 · Member
269
Old TDS Group#15324725 · old tds community
251
Overlord Studio's#15220208 · Contributor︱✎
251
Special Containment Procedures Foundation || SCP#5404547 · D Class
249
SuperPlanetCraft09's Gamer Studio#9778344 · Gamer
241
Timelinx Games#14744538 · Player
210
Lvie's OG Tower Battles#32965598 · Member
141
The Recycling Bin: Development Group#14077429 · Fellow Recyclables
132
BBSPG#33608001 · Member
127
X-Shade Studio#33631496 · Developer
120
Classical Defense Community#32907668 · ✔️┃Member┃✔️
118
Glaggle#16304670 · the gigglers
104
Classical TDS#35305946 · Early Access
95
RoVision Studios Games#35280611 · player
91
GlaggleBLOX#16689126 · GIGGLERS
80
Snek_Studios#8808715 · Members
77

Membership and rank as measured from this user’s public group list.